Audio-visual integration is more precise in older adults with a high level of long-term physical activity.

It is well established that physical activity leads to numerous health, cognitive, and psychological benefits. However, to date, very few studies have investigated the impact of physical activity on multisensory perception, that is, the brain's capacity to integrate information across sensory m...

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Main Authors: Zahra Azizi, Rebecca J Hirst, Fiona N Newell, Rose Anne Kenny, Annalisa Setti
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2023-01-01
Series:PLoS ONE
Online Access:https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0292373&type=printable
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author Zahra Azizi
Rebecca J Hirst
Fiona N Newell
Rose Anne Kenny
Annalisa Setti
author_facet Zahra Azizi
Rebecca J Hirst
Fiona N Newell
Rose Anne Kenny
Annalisa Setti
author_sort Zahra Azizi
collection DOAJ
description It is well established that physical activity leads to numerous health, cognitive, and psychological benefits. However, to date, very few studies have investigated the impact of physical activity on multisensory perception, that is, the brain's capacity to integrate information across sensory modalities. Furthermore, it is unknown what level of long-term physical activity is associated with multisensory integration in adults. We explored the relationship between multisensory integration and a ten-year physical activity trajectory in 2,974 adults aged 50+ from The Irish Longitudinal Study on Ageing by measuring susceptibility to the Sound Induced Flash Illusion (SIFI) at multiple audio-visual temporal asynchronies. Physical activity was measured using the International Physical Activity Questionnaire (IPAQ-SF) at 2 years intervals over ten years. We used latent class trajectory modelling to identify latent growth classes of individuals following a similar trajectory of physical activity over time. We analysed the association of this trajectory with performance accuracy to the illusion trials of the SIFI task with generalized logistic mixed effects regression models, adjusted for several covariates. Results showed that more precise integration (i.e., lower SIFI susceptibility with larger temporal asynchronies) was associated with a higher level of sustained physical activity across ten years. Although the use of self-reported physical activity and a short version of the SIFI task limit our conclusions to some extent, nonetheless, the results suggest that sustained physical activity is associated with more precise multisensory integration, which in turn is linked to better balance and a lower risk of falling in older adults.
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spelling doaj.art-d909334faf484fb68eaa1b7f851fa00d2023-11-04T05:33:30ZengPublic Library of Science (PLoS)PLoS ONE1932-62032023-01-011810e029237310.1371/journal.pone.0292373Audio-visual integration is more precise in older adults with a high level of long-term physical activity.Zahra AziziRebecca J HirstFiona N NewellRose Anne KennyAnnalisa SettiIt is well established that physical activity leads to numerous health, cognitive, and psychological benefits. However, to date, very few studies have investigated the impact of physical activity on multisensory perception, that is, the brain's capacity to integrate information across sensory modalities. Furthermore, it is unknown what level of long-term physical activity is associated with multisensory integration in adults. We explored the relationship between multisensory integration and a ten-year physical activity trajectory in 2,974 adults aged 50+ from The Irish Longitudinal Study on Ageing by measuring susceptibility to the Sound Induced Flash Illusion (SIFI) at multiple audio-visual temporal asynchronies. Physical activity was measured using the International Physical Activity Questionnaire (IPAQ-SF) at 2 years intervals over ten years. We used latent class trajectory modelling to identify latent growth classes of individuals following a similar trajectory of physical activity over time. We analysed the association of this trajectory with performance accuracy to the illusion trials of the SIFI task with generalized logistic mixed effects regression models, adjusted for several covariates. Results showed that more precise integration (i.e., lower SIFI susceptibility with larger temporal asynchronies) was associated with a higher level of sustained physical activity across ten years. Although the use of self-reported physical activity and a short version of the SIFI task limit our conclusions to some extent, nonetheless, the results suggest that sustained physical activity is associated with more precise multisensory integration, which in turn is linked to better balance and a lower risk of falling in older adults.https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0292373&type=printable
spellingShingle Zahra Azizi
Rebecca J Hirst
Fiona N Newell
Rose Anne Kenny
Annalisa Setti
Audio-visual integration is more precise in older adults with a high level of long-term physical activity.
PLoS ONE
title Audio-visual integration is more precise in older adults with a high level of long-term physical activity.
title_full Audio-visual integration is more precise in older adults with a high level of long-term physical activity.
title_fullStr Audio-visual integration is more precise in older adults with a high level of long-term physical activity.
title_full_unstemmed Audio-visual integration is more precise in older adults with a high level of long-term physical activity.
title_short Audio-visual integration is more precise in older adults with a high level of long-term physical activity.
title_sort audio visual integration is more precise in older adults with a high level of long term physical activity
url https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0292373&type=printable
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